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<base href="https://bugs.dpdk.org/">
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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - DPDK may not build on some Intel CPUs using clang < 3.7.0"
href="https://bugs.dpdk.org/show_bug.cgi?id=1644">1644</a>
</td>
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<tr>
<th>Summary</th>
<td>DPDK may not build on some Intel CPUs using clang < 3.7.0
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>meson
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nandinipersad361@gmail.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">When compiling DPDK with an earlier version than 3.7.0 of clang, CPU flags are
not detected on some Intel platforms such as Intel Broadwell/Skylake (and
possibly future CPUs), and therefore compilation fails due to missing
intrinsics.
Implication:
DPDK will not build when using a clang version < 3.7.0.
Resolution/Workaround:
Use clang 3.7.0 or higher, or gcc.
Affected Environment/Platform:
Platforms with Intel Broadwell/Skylake using an old clang version.
Driver/Module:
Environment Abstraction Layer (EAL).
</pre>
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